What are some potential pitfalls to be aware of when processing WebCam snapshots using PHP?

One potential pitfall when processing WebCam snapshots using PHP is not properly sanitizing user input, which can lead to security vulnerabilities such as SQL injection or cross-site scripting attacks. To mitigate this risk, always validate and sanitize input data before using it in your code.

// Example of sanitizing user input
$userInput = $_POST['user_input'];
$cleanInput = filter_var($userInput, FILTER_SANITIZE_STRING);